Jaguar XF (X250) V8-5.0L SC Technical Service Bulletin # JTB00244 Date: 120224
Engine Controls - Off Throttle Idle Fuel Cut In Timing
JTB00244NAS1
24 FEB 2012
SECTION: 303
Off Throttle Engine Idle Fuel Cut In Timing
AFFECTED VEHICLE RANGE:
XF (X250) 5.0L only VIN: R47154 - S38706
Model Year: 2010 - 2012
XJ (X351) VIN: V00047 -V30235
Model Year: 2010 - 2012
XK (X150) VIN: B32753 - B47555
Model Year: 2010 - 2012
CONDITION SUMMARY:
Situation:
The engine may stumble or hesitate and, on rare occasions, cut out when at low vehicle speeds.
This may be caused an EMS calibration error.
Action:
In the event of a customer concern of the above, refer to the Repair Procedure outlined below to update the Engine control module software.
PARTS:
No parts required
TOOLS:
IDS with latest IDS-DVD and Calibration File; first available on IDS-DVD128.04 v93 Jaguar-approved Midtronics Vehicle Power Supply
WARRANTY
REPAIR PROCEDURE
UPDATE THE ENGINE CONTROL MODULE SOFTWARE
CAUTION:
Ensure all ignition "ON" / ignition "OFF" requests are carried out; failure to perform these steps may cause damage to control modules in the
vehicle.
CAUTION:
A Jaguar-approved Midtronics Vehicle Power Supply must be connected to the vehicle battery during IDS diagnosis / module programming.
1. Connect the Jaguar-approved Midtronics Vehicle Power Supply to the vehicle battery.
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2. Turn ignition ON (engine not running).
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NOTE:
IDS must be loaded with IDS-DVD128.04 v93 or later.
3. Connect the IDS to the vehicle and begin a new Symptom Driven Diagnostics (SDD) session.
4. Follow the on-screen prompts, allowing SDD to read the VIN and identify the vehicle.
5. From the Session Type selection screen, choose "Diagnosis".
6. Select the Selected Symptoms tab, and then select:
> Powertrain > Engine system> Engine performance> Engine cuts out or
> Powertrain > Engine system> Engine performance> Engine stalls
7. Select "continue".
8. Select the Recommendations tab.
9. From the Recommendations tab, select Run to configure the Engine control module
^ Follow all on-screen instructions to complete this task.
10. Exit the current session.
11. Disconnect the IDS and the Midtronics Vehicle Power Supply from the vehicle.